/**
 * 
 * 功能说明: <br>
 * 系统版本: v1.0 <br>
 * 开发人员: huhl@hundsun.com<br>
 * 开发时间: 2011-11-23<br>
 * 审核人员: <br>
 * 相关文档: <br>
 * 修改记录: <br>
 * 文件名称：BizSecurity.java
 * 修改日期 修改人员 修改说明 <br>
 *
 * ======== ====== ============================================ <br>
 *
 */

if (typeof BizSecurity == "undefined" || !BizSecurity.util)
{(function(){
	
var BizSecurity= window.BizSecurity = {};

var util = BizSecurity.util ={
					/*
					* chang the string(it's length <= 4) into the bit array
					* 
					* return bit array(it's length = 64)
					*/
					strToBt:function (str){  
								 var leng = str.length;
								 var bt = new Array(64);
								 if(leng < 4){
								   var i=0,j=0,p=0,q=0;
								   for(i = 0;i<leng;i++){
								     var k = str.charCodeAt(i);
								     for(j=0;j<16;j++){      
								       var pow=1,m=0;
								       for(m=15;m>j;m--){
								         pow *= 2;
								       }        
								       bt[16*i+j]=parseInt(k/pow)%2;
								     }
								   }
								   for(p = leng;p<4;p++){
								     var k = 0;
								     for(q=0;q<16;q++){      
								       var pow=1,m=0;
								       for(m=15;m>q;m--){
								         pow *= 2;
								       }        
								       bt[16*p+q]=parseInt(k/pow)%2;
								     }
								   }  
								 }else{
								   for(i = 0;i<4;i++){
								     var k = str.charCodeAt(i);
								     for(j=0;j<16;j++){      
								       var pow=1;
								       for(m=15;m>j;m--){
								         pow *= 2;
								       }        
								       bt[16*i+j]=parseInt(k/pow)%2;
								     }
								   }  
								 }
								 return bt;
					},

					/*
					* chang the bit(it's length = 4) into the hex
					* 
					* return hex
					*/
				  bt4ToHex : function (binary) {
					 var hex;
					 switch (binary) {
					   case "0000" : hex = "0"; break;
					   case "0001" : hex = "1"; break;
					   case "0010" : hex = "2"; break;
					   case "0011" : hex = "3"; break;
					   case "0100" : hex = "4"; break;
					   case "0101" : hex = "5"; break;
					   case "0110" : hex = "6"; break;
					   case "0111" : hex = "7"; break;
					   case "1000" : hex = "8"; break;
					   case "1001" : hex = "9"; break;
					   case "1010" : hex = "A"; break;
					   case "1011" : hex = "B"; break;
					   case "1100" : hex = "C"; break;
					   case "1101" : hex = "D"; break;
					   case "1110" : hex = "E"; break;
					   case "1111" : hex = "F"; break;
					 }
					 return hex;
					},

					/*
					* chang the hex into the bit(it's length = 4)
					* 
					* return the bit(it's length = 4)
					*/
					hexToBt4 : function (hex) {
										 var binary;
										 switch (hex) {
										   case "0" : binary = "0000"; break;
										   case "1" : binary = "0001"; break;
										   case "2" : binary = "0010"; break;
										   case "3" : binary = "0011"; break;
										   case "4" : binary = "0100"; break;
										   case "5" : binary = "0101"; break;
										   case "6" : binary = "0110"; break;
										   case "7" : binary = "0111"; break;
										   case "8" : binary = "1000"; break;
										   case "9" : binary = "1001"; break;
										   case "A" : binary = "1010"; break;
										   case "B" : binary = "1011"; break;
										   case "C" : binary = "1100"; break;
										   case "D" : binary = "1101"; break;
										   case "E" : binary = "1110"; break;
										   case "F" : binary = "1111"; break;
										 }
										 return binary;
					},

					/*
					* chang the bit(it's length = 64) into the string
					* 
					* return string
					*/
					byteToString:function (byteData){
									 var str="";
									 for(i = 0;i<4;i++){
									   var count=0;
									   for(j=0;j<16;j++){        
									     var pow=1;
									     for(m=15;m>j;m--){
									       pow*=2;
									     }              
									     count+=byteData[16*i+j]*pow;
									   }        
									   if(count != 0){
									     str+=String.fromCharCode(count);
									   }
									 }
									 return str;
					},

					bt64ToHex:function (byteData){
								 var hex = "";
								 for(i = 0;i<16;i++){
								   var bt = "";
								   for(j=0;j<4;j++){    
								     bt += byteData[i*4+j];
								   }    
								   hex+=util.bt4ToHex(bt);
								 }
								 return hex;
					},

					hexToBt64 : function(hex){
								 var binary = "";
								 for(i = 0;i<16;i++){
								   binary+=util.hexToBt4(hex.substring(i,i+1));
								 }
								 return binary;
					}
};

var DES= BizSecurity.DES = {
	
					/*
					* encrypt the string to string made up of hex
					* return the encrypted string
					*/
					encrypt : function (data,firstKey,secondKey,thirdKey){
					
													 var leng = data.length;
													 var encData = "";
													 var firstKeyBt,secondKeyBt,thirdKeyBt,firstLength,secondLength,thirdLength;
													 if(firstKey != null && firstKey != ""){    
													   firstKeyBt = DES.getKeyBytes(firstKey);
													   firstLength = firstKeyBt.length;
													 }
													 if(secondKey != null && secondKey != ""){
													   secondKeyBt = DES.getKeyBytes(secondKey);
													   secondLength = secondKeyBt.length;
													 }
													 if(thirdKey != null && thirdKey != ""){
													   thirdKeyBt = DES.getKeyBytes(thirdKey);
													   thirdLength = thirdKeyBt.length;
													 }  
													 
													 if(leng > 0){
													   if(leng < 4){
													     var bt = util.strToBt(data);      
													     var encByte ;
													     if(firstKey != null && firstKey !="" && secondKey != null && secondKey != "" && thirdKey != null && thirdKey != ""){
													       var tempBt;
													       var x,y,z;
													       tempBt = bt;        
													       for(x = 0;x < firstLength ;x ++){
													         tempBt = DES.enc(tempBt,firstKeyBt[x]);
													       }
													       for(y = 0;y < secondLength ;y ++){
													         tempBt = DES.enc(tempBt,secondKeyBt[y]);
													       }
													       for(z = 0;z < thirdLength ;z ++){
													         tempBt = DES.enc(tempBt,thirdKeyBt[z]);
													       }        
													       encByte = tempBt;        
													     }else{
													       if(firstKey != null && firstKey !="" && secondKey != null && secondKey != ""){
													         var tempBt;
													         var x,y;
													         tempBt = bt;
													         for(x = 0;x < firstLength ;x ++){
													           tempBt = DES.enc(tempBt,firstKeyBt[x]);
													         }
													         for(y = 0;y < secondLength ;y ++){
													           tempBt = DES.enc(tempBt,secondKeyBt[y]);
													         }
													         encByte = tempBt;
													       }else{
													         if(firstKey != null && firstKey !=""){            
													           var tempBt;
													           var x = 0;
													           tempBt = bt;            
													           for(x = 0;x < firstLength ;x ++){
													             tempBt = DES.enc(tempBt,firstKeyBt[x]);
													           }
													           encByte = tempBt;
													         }
													       }        
													     }
													     encData = util.bt64ToHex(encByte);
													   }else{
													     var iterator = parseInt(leng/4);
													     var remainder = leng%4;
													     var i=0;      
													     for(i = 0;i < iterator;i++){
													       var tempData = data.substring(i*4+0,i*4+4);
													       var tempByte = util.strToBt(tempData);
													       var encByte ;
													       if(firstKey != null && firstKey !="" && secondKey != null && secondKey != "" && thirdKey != null && thirdKey != ""){
													         var tempBt;
													         var x,y,z;
													         tempBt = tempByte;
													         for(x = 0;x < firstLength ;x ++){
													           tempBt = DES.enc(tempBt,firstKeyBt[x]);
													         }
													         for(y = 0;y < secondLength ;y ++){
													           tempBt = DES.enc(tempBt,secondKeyBt[y]);
													         }
													         for(z = 0;z < thirdLength ;z ++){
													           tempBt = DES.enc(tempBt,thirdKeyBt[z]);
													         }
													         encByte = tempBt;
													       }else{
													         if(firstKey != null && firstKey !="" && secondKey != null && secondKey != ""){
													           var tempBt;
													           var x,y;
													           tempBt = tempByte;
													           for(x = 0;x < firstLength ;x ++){
													             tempBt = DES.enc(tempBt,firstKeyBt[x]);
													           }
													           for(y = 0;y < secondLength ;y ++){
													             tempBt = DES.enc(tempBt,secondKeyBt[y]);
													           }
													           encByte = tempBt;
													         }else{
													           if(firstKey != null && firstKey !=""){                      
													             var tempBt;
													             var x;
													             tempBt = tempByte;
													             for(x = 0;x < firstLength ;x ++){                
													               tempBt = DES.enc(tempBt,firstKeyBt[x]);
													             }
													             encByte = tempBt;              
													           }
													         }
													       }
													       encData += util.bt64ToHex(encByte);
													     }      
													     if(remainder > 0){
													       var remainderData = data.substring(iterator*4+0,leng);
													       var tempByte = util.strToBt(remainderData);
													       var encByte ;
													       if(firstKey != null && firstKey !="" && secondKey != null && secondKey != "" && thirdKey != null && thirdKey != ""){
													         var tempBt;
													         var x,y,z;
													         tempBt = tempByte;
													         for(x = 0;x < firstLength ;x ++){
													           tempBt = DES.enc(tempBt,firstKeyBt[x]);
													         }
													         for(y = 0;y < secondLength ;y ++){
													           tempBt = DES.enc(tempBt,secondKeyBt[y]);
													         }
													         for(z = 0;z < thirdLength ;z ++){
													           tempBt = DES.enc(tempBt,thirdKeyBt[z]);
													         }
													         encByte = tempBt;
													       }else{
													         if(firstKey != null && firstKey !="" && secondKey != null && secondKey != ""){
													           var tempBt;
													           var x,y;
													           tempBt = tempByte;
													           for(x = 0;x < firstLength ;x ++){
													             tempBt = DES.enc(tempBt,firstKeyBt[x]);
													           }
													           for(y = 0;y < secondLength ;y ++){
													             tempBt = DES.enc(tempBt,secondKeyBt[y]);
													           }
													           encByte = tempBt;
													         }else{
													           if(firstKey != null && firstKey !=""){            
													             var tempBt;
													             var x;
													             tempBt = tempByte;
													             for(x = 0;x < firstLength ;x ++){
													               tempBt = DES.enc(tempBt,firstKeyBt[x]);
													             }
													             encByte = tempBt;
													           }
													         }
													       }
													       encData += util.bt64ToHex(encByte);
													     }                
													   }
													 }
													 return encData;
					},

					/*
					* decrypt the encrypted string to the original string 
					*
					* return  the original string  
					*/
					decrypt:function (data,firstKey,secondKey,thirdKey){
											 var leng = data.length;
											 var decStr = "";
											 var firstKeyBt,secondKeyBt,thirdKeyBt,firstLength,secondLength,thirdLength;
											 if(firstKey != null && firstKey != ""){    
											   firstKeyBt = DES.getKeyBytes(firstKey);
											   firstLength = firstKeyBt.length;
											 }
											 if(secondKey != null && secondKey != ""){
											   secondKeyBt = DES.getKeyBytes(secondKey);
											   secondLength = secondKeyBt.length;
											 }
											 if(thirdKey != null && thirdKey != ""){
											   thirdKeyBt = DES.getKeyBytes(thirdKey);
											   thirdLength = thirdKeyBt.length;
											 }
											 
											 var iterator = parseInt(leng/16);
											 var i=0;  
											 for(i = 0;i < iterator;i++){
											   var tempData = data.substring(i*16+0,i*16+16);    
											   var strByte = util.hexToBt64(tempData);    
											   var intByte = new Array(64);
											   var j = 0;
											   for(j = 0;j < 64; j++){
											     intByte[j] = parseInt(strByte.substring(j,j+1));
											   }    
											   var decByte;
											   if(firstKey != null && firstKey !="" && secondKey != null && secondKey != "" && thirdKey != null && thirdKey != ""){
											     var tempBt;
											     var x,y,z;
											     tempBt = intByte;
											     for(x = thirdLength - 1;x >= 0;x --){
											       tempBt = DES.dec(tempBt,thirdKeyBt[x]);
											     }
											     for(y = secondLength - 1;y >= 0;y --){
											       tempBt = DES.dec(tempBt,secondKeyBt[y]);
											     }
											     for(z = firstLength - 1;z >= 0 ;z --){
											       tempBt = DES.dec(tempBt,firstKeyBt[z]);
											     }
											     decByte = tempBt;
											   }else{
											     if(firstKey != null && firstKey !="" && secondKey != null && secondKey != ""){
											       var tempBt;
											       var x,y,z;
											       tempBt = intByte;
											       for(x = secondLength - 1;x >= 0 ;x --){
											         tempBt = DES.dec(tempBt,secondKeyBt[x]);
											       }
											       for(y = firstLength - 1;y >= 0 ;y --){
											         tempBt = DES.dec(tempBt,firstKeyBt[y]);
											       }
											       decByte = tempBt;
											     }else{
											       if(firstKey != null && firstKey !=""){
											         var tempBt;
											         var x,y,z;
											         tempBt = intByte;
											         for(x = firstLength - 1;x >= 0 ;x --){
											           tempBt = DES.dec(tempBt,firstKeyBt[x]);
											         }
											         decByte = tempBt;
											       }
											     }
											   }
											   decStr += util.byteToString(decByte);
											 }      
											 return decStr;
					},
					/*
					* chang the string into the bit array
					* 
					* return bit array(it's length % 64 = 0)
					*/
					getKeyBytes : function (key){
											 var keyBytes = new Array();
											 var leng = key.length;
											 var iterator = parseInt(leng/4);
											 var remainder = leng%4;
											 var i = 0;
											 for(i = 0;i < iterator; i ++){
											   keyBytes[i] = util.strToBt(key.substring(i*4+0,i*4+4));
											 }
											 if(remainder > 0){
											   keyBytes[i] = util.strToBt(key.substring(i*4+0,leng));
											 }    
											 return keyBytes;
					},
					/*
					* the 64 bit des core arithmetic
					*/
				  enc :function (dataByte,keyByte){  
										 var keys = DES.generateKeys(keyByte);    
										 var ipByte   = DES.initPermute(dataByte);  
										 var ipLeft   = new Array(32);
										 var ipRight  = new Array(32);
										 var tempLeft = new Array(32);
										 var i = 0,j = 0,k = 0,m = 0, n = 0;
										 for(k = 0;k < 32;k ++){
										   ipLeft[k] = ipByte[k];
										   ipRight[k] = ipByte[32+k];
										 }    
										 for(i = 0;i < 16;i ++){
										   for(j = 0;j < 32;j ++){
										     tempLeft[j] = ipLeft[j];
										     ipLeft[j] = ipRight[j];      
										   }  
										   var key = new Array(48);
										   for(m = 0;m < 48;m ++){
										     key[m] = keys[i][m];
										   }
										   var  tempRight = DES.xor(DES.pPermute(DES.sBoxPermute(DES.xor(DES.expandPermute(ipRight),key))), tempLeft);      
										   for(n = 0;n < 32;n ++){
										     ipRight[n] = tempRight[n];
										   }  
										   
										 }  
										 
										 
										 var finalData =new Array(64);
										 for(i = 0;i < 32;i ++){
										   finalData[i] = ipRight[i];
										   finalData[32+i] = ipLeft[i];
										 }
										 return DES.finallyPermute(finalData);  
					},

					dec : function(dataByte,keyByte){  
										 var keys = DES.generateKeys(keyByte);    
										 var ipByte   = DES.initPermute(dataByte);  
										 var ipLeft   = new Array(32);
										 var ipRight  = new Array(32);
										 var tempLeft = new Array(32);
										 var i = 0,j = 0,k = 0,m = 0, n = 0;
										 for(k = 0;k < 32;k ++){
										   ipLeft[k] = ipByte[k];
										   ipRight[k] = ipByte[32+k];
										 }  
										 for(i = 15;i >= 0;i --){
										   for(j = 0;j < 32;j ++){
										     tempLeft[j] = ipLeft[j];
										     ipLeft[j] = ipRight[j];      
										   }  
										   var key = new Array(48);
										   for(m = 0;m < 48;m ++){
										     key[m] = keys[i][m];
										   }
										   
										   var  tempRight = DES.xor(DES.pPermute(DES.sBoxPermute(DES.xor(DES.expandPermute(ipRight),key))), tempLeft);      
										   for(n = 0;n < 32;n ++){
										     ipRight[n] = tempRight[n];
										   }  
										 }  
										 var finalData =new Array(64);
										 for(i = 0;i < 32;i ++){
										   finalData[i] = ipRight[i];
										   finalData[32+i] = ipLeft[i];
										 }
										 return DES.finallyPermute(finalData);  
					},
					initPermute : function (originalData){
											 var ipByte = new Array(64);
											 for (i = 0, m = 1, n = 0; i < 4; i++, m += 2, n += 2) {
											   for (j = 7, k = 0; j >= 0; j--, k++) {
											     ipByte[i * 8 + k] = originalData[j * 8 + m];
											     ipByte[i * 8 + k + 32] = originalData[j * 8 + n];
											   }
											 }    
											 return ipByte;
					},

					expandPermute : function (rightData){  
											 var epByte = new Array(48);
											 for (i = 0; i < 8; i++) {
											 	
												   if (i == 0) {
												     epByte[i * 6 + 0] = rightData[31];
												   } else {
												     epByte[i * 6 + 0] = rightData[i * 4 - 1];
												   }
												   
												   epByte[i * 6 + 1] = rightData[i * 4 + 0];
												   epByte[i * 6 + 2] = rightData[i * 4 + 1];
												   epByte[i * 6 + 3] = rightData[i * 4 + 2];
												   epByte[i * 6 + 4] = rightData[i * 4 + 3];
												   
												   if (i == 7) {
												     epByte[i * 6 + 5] = rightData[0];
												   } else {
												     epByte[i * 6 + 5] = rightData[i * 4 + 4];
												   }
											 }      
											 return epByte;
					},

					xor : function(byteOne,byteTwo){  
										 var xorByte = new Array(byteOne.length);
										 for(i = 0;i < byteOne.length; i ++){      
										   xorByte[i] = byteOne[i] ^ byteTwo[i];
										 }  
										 return xorByte;
					},
					sBoxPermute :	function(expandByte){
								   var sBoxByte = new Array(32);
								   var binary = "";
								   var s1 = [
								       [14, 4, 13, 1, 2, 15, 11, 8, 3, 10, 6, 12, 5, 9, 0, 7],
								       [0, 15, 7, 4, 14, 2, 13, 1, 10, 6, 12, 11, 9, 5, 3, 8],
								       [4, 1, 14, 8, 13, 6, 2, 11, 15, 12, 9, 7, 3, 10, 5, 0],
								       [15, 12, 8, 2, 4, 9, 1, 7, 5, 11, 3, 14, 10, 0, 6, 13 ]];
								
								       /* Table - s2 */
								   var s2 = [
								       [15, 1, 8, 14, 6, 11, 3, 4, 9, 7, 2, 13, 12, 0, 5, 10],
								       [3, 13, 4, 7, 15, 2, 8, 14, 12, 0, 1, 10, 6, 9, 11, 5],
								       [0, 14, 7, 11, 10, 4, 13, 1, 5, 8, 12, 6, 9, 3, 2, 15],
								       [13, 8, 10, 1, 3, 15, 4, 2, 11, 6, 7, 12, 0, 5, 14, 9 ]];
								
								       /* Table - s3 */
								   var s3= [
								       [10, 0, 9, 14, 6, 3, 15, 5, 1, 13, 12, 7, 11, 4, 2, 8],
								       [13, 7, 0, 9, 3, 4, 6, 10, 2, 8, 5, 14, 12, 11, 15, 1],
								       [13, 6, 4, 9, 8, 15, 3, 0, 11, 1, 2, 12, 5, 10, 14, 7],
								       [1, 10, 13, 0, 6, 9, 8, 7, 4, 15, 14, 3, 11, 5, 2, 12 ]];
								       /* Table - s4 */
								   var s4 = [
								       [7, 13, 14, 3, 0, 6, 9, 10, 1, 2, 8, 5, 11, 12, 4, 15],
								       [13, 8, 11, 5, 6, 15, 0, 3, 4, 7, 2, 12, 1, 10, 14, 9],
								       [10, 6, 9, 0, 12, 11, 7, 13, 15, 1, 3, 14, 5, 2, 8, 4],
								       [3, 15, 0, 6, 10, 1, 13, 8, 9, 4, 5, 11, 12, 7, 2, 14 ]];
								
								       /* Table - s5 */
								   var s5 = [
								       [2, 12, 4, 1, 7, 10, 11, 6, 8, 5, 3, 15, 13, 0, 14, 9],
								       [14, 11, 2, 12, 4, 7, 13, 1, 5, 0, 15, 10, 3, 9, 8, 6],
								       [4, 2, 1, 11, 10, 13, 7, 8, 15, 9, 12, 5, 6, 3, 0, 14],
								       [11, 8, 12, 7, 1, 14, 2, 13, 6, 15, 0, 9, 10, 4, 5, 3 ]];
								
								       /* Table - s6 */
								   var s6 = [
								       [12, 1, 10, 15, 9, 2, 6, 8, 0, 13, 3, 4, 14, 7, 5, 11],
								       [10, 15, 4, 2, 7, 12, 9, 5, 6, 1, 13, 14, 0, 11, 3, 8],
								       [9, 14, 15, 5, 2, 8, 12, 3, 7, 0, 4, 10, 1, 13, 11, 6],
								       [4, 3, 2, 12, 9, 5, 15, 10, 11, 14, 1, 7, 6, 0, 8, 13 ]];
								
								       /* Table - s7 */
								   var s7 = [
								       [4, 11, 2, 14, 15, 0, 8, 13, 3, 12, 9, 7, 5, 10, 6, 1],
								       [13, 0, 11, 7, 4, 9, 1, 10, 14, 3, 5, 12, 2, 15, 8, 6],
								       [1, 4, 11, 13, 12, 3, 7, 14, 10, 15, 6, 8, 0, 5, 9, 2],
								       [6, 11, 13, 8, 1, 4, 10, 7, 9, 5, 0, 15, 14, 2, 3, 12]];
								
								       /* Table - s8 */
								   var s8 = [
								       [13, 2, 8, 4, 6, 15, 11, 1, 10, 9, 3, 14, 5, 0, 12, 7],
								       [1, 15, 13, 8, 10, 3, 7, 4, 12, 5, 6, 11, 0, 14, 9, 2],
								       [7, 11, 4, 1, 9, 12, 14, 2, 0, 6, 10, 13, 15, 3, 5, 8],
								       [2, 1, 14, 7, 4, 10, 8, 13, 15, 12, 9, 0, 3, 5, 6, 11]];
								   
								   for(m=0;m<8;m++){
								   var i=0,j=0;
								   i = expandByte[m*6+0]*2+expandByte[m*6+5];
								   j = expandByte[m * 6 + 1] * 2 * 2 * 2 
								     + expandByte[m * 6 + 2] * 2* 2 
								     + expandByte[m * 6 + 3] * 2 
								     + expandByte[m * 6 + 4];
								   switch (m) {
								     case 0 :
								       binary = DES.getBoxBinary(s1[i][j]);
								       break;
								     case 1 :
								       binary = DES.getBoxBinary(s2[i][j]);
								       break;
								     case 2 :
								       binary = DES.getBoxBinary(s3[i][j]);
								       break;
								     case 3 :
								       binary = DES.getBoxBinary(s4[i][j]);
								       break;
								     case 4 :
								       binary = DES.getBoxBinary(s5[i][j]);
								       break;
								     case 5 :
								       binary = DES.getBoxBinary(s6[i][j]);
								       break;
								     case 6 :
								       binary = DES.getBoxBinary(s7[i][j]);
								       break;
								     case 7 :
								       binary = DES.getBoxBinary(s8[i][j]);
								       break;
								   }      
								   sBoxByte[m*4+0] = parseInt(binary.substring(0,1));
								   sBoxByte[m*4+1] = parseInt(binary.substring(1,2));
								   sBoxByte[m*4+2] = parseInt(binary.substring(2,3));
								   sBoxByte[m*4+3] = parseInt(binary.substring(3,4));
								 }
								 return sBoxByte;
					},

					pPermute : function (sBoxByte){
									 var pBoxPermute = new Array(32);
									 pBoxPermute[ 0] = sBoxByte[15]; 
									 pBoxPermute[ 1] = sBoxByte[ 6]; 
									 pBoxPermute[ 2] = sBoxByte[19]; 
									 pBoxPermute[ 3] = sBoxByte[20]; 
									 pBoxPermute[ 4] = sBoxByte[28]; 
									 pBoxPermute[ 5] = sBoxByte[11]; 
									 pBoxPermute[ 6] = sBoxByte[27]; 
									 pBoxPermute[ 7] = sBoxByte[16]; 
									 pBoxPermute[ 8] = sBoxByte[ 0]; 
									 pBoxPermute[ 9] = sBoxByte[14]; 
									 pBoxPermute[10] = sBoxByte[22]; 
									 pBoxPermute[11] = sBoxByte[25]; 
									 pBoxPermute[12] = sBoxByte[ 4]; 
									 pBoxPermute[13] = sBoxByte[17]; 
									 pBoxPermute[14] = sBoxByte[30]; 
									 pBoxPermute[15] = sBoxByte[ 9]; 
									 pBoxPermute[16] = sBoxByte[ 1]; 
									 pBoxPermute[17] = sBoxByte[ 7]; 
									 pBoxPermute[18] = sBoxByte[23]; 
									 pBoxPermute[19] = sBoxByte[13]; 
									 pBoxPermute[20] = sBoxByte[31]; 
									 pBoxPermute[21] = sBoxByte[26]; 
									 pBoxPermute[22] = sBoxByte[ 2]; 
									 pBoxPermute[23] = sBoxByte[ 8]; 
									 pBoxPermute[24] = sBoxByte[18]; 
									 pBoxPermute[25] = sBoxByte[12]; 
									 pBoxPermute[26] = sBoxByte[29]; 
									 pBoxPermute[27] = sBoxByte[ 5]; 
									 pBoxPermute[28] = sBoxByte[21]; 
									 pBoxPermute[29] = sBoxByte[10]; 
									 pBoxPermute[30] = sBoxByte[ 3]; 
									 pBoxPermute[31] = sBoxByte[24];    
									 return pBoxPermute;
					},

				  finallyPermute: function(endByte){    
								 var fpByte = new Array(64);  
								 fpByte[ 0] = endByte[39]; 
								 fpByte[ 1] = endByte[ 7]; 
								 fpByte[ 2] = endByte[47]; 
								 fpByte[ 3] = endByte[15]; 
								 fpByte[ 4] = endByte[55]; 
								 fpByte[ 5] = endByte[23]; 
								 fpByte[ 6] = endByte[63]; 
								 fpByte[ 7] = endByte[31]; 
								 fpByte[ 8] = endByte[38]; 
								 fpByte[ 9] = endByte[ 6]; 
								 fpByte[10] = endByte[46]; 
								 fpByte[11] = endByte[14]; 
								 fpByte[12] = endByte[54]; 
								 fpByte[13] = endByte[22]; 
								 fpByte[14] = endByte[62]; 
								 fpByte[15] = endByte[30]; 
								 fpByte[16] = endByte[37]; 
								 fpByte[17] = endByte[ 5]; 
								 fpByte[18] = endByte[45]; 
								 fpByte[19] = endByte[13]; 
								 fpByte[20] = endByte[53]; 
								 fpByte[21] = endByte[21]; 
								 fpByte[22] = endByte[61]; 
								 fpByte[23] = endByte[29]; 
								 fpByte[24] = endByte[36]; 
								 fpByte[25] = endByte[ 4]; 
								 fpByte[26] = endByte[44]; 
								 fpByte[27] = endByte[12]; 
								 fpByte[28] = endByte[52]; 
								 fpByte[29] = endByte[20]; 
								 fpByte[30] = endByte[60]; 
								 fpByte[31] = endByte[28]; 
								 fpByte[32] = endByte[35]; 
								 fpByte[33] = endByte[ 3]; 
								 fpByte[34] = endByte[43]; 
								 fpByte[35] = endByte[11]; 
								 fpByte[36] = endByte[51]; 
								 fpByte[37] = endByte[19]; 
								 fpByte[38] = endByte[59]; 
								 fpByte[39] = endByte[27]; 
								 fpByte[40] = endByte[34]; 
								 fpByte[41] = endByte[ 2]; 
								 fpByte[42] = endByte[42]; 
								 fpByte[43] = endByte[10]; 
								 fpByte[44] = endByte[50]; 
								 fpByte[45] = endByte[18]; 
								 fpByte[46] = endByte[58]; 
								 fpByte[47] = endByte[26]; 
								 fpByte[48] = endByte[33]; 
								 fpByte[49] = endByte[ 1]; 
								 fpByte[50] = endByte[41]; 
								 fpByte[51] = endByte[ 9]; 
								 fpByte[52] = endByte[49]; 
								 fpByte[53] = endByte[17]; 
								 fpByte[54] = endByte[57]; 
								 fpByte[55] = endByte[25]; 
								 fpByte[56] = endByte[32]; 
								 fpByte[57] = endByte[ 0]; 
								 fpByte[58] = endByte[40]; 
								 fpByte[59] = endByte[ 8]; 
								 fpByte[60] = endByte[48]; 
								 fpByte[61] = endByte[16]; 
								 fpByte[62] = endByte[56]; 
								 fpByte[63] = endByte[24];
								 return fpByte;
					},
								
					getBoxBinary : function (i) {
								 var binary = "";
								 switch (i) {
								   case 0 :binary = "0000";break;
								   case 1 :binary = "0001";break;
								   case 2 :binary = "0010";break;
								   case 3 :binary = "0011";break;
								   case 4 :binary = "0100";break;
								   case 5 :binary = "0101";break;
								   case 6 :binary = "0110";break;
								   case 7 :binary = "0111";break;
								   case 8 :binary = "1000";break;
								   case 9 :binary = "1001";break;
								   case 10 :binary = "1010";break;
								   case 11 :binary = "1011";break;
								   case 12 :binary = "1100";break;
								   case 13 :binary = "1101";break;
								   case 14 :binary = "1110";break;
								   case 15 :binary = "1111";break;
								 }
								 return binary;
					},
					/*
					* generate 16 keys for xor
					*
					*/
					generateKeys : function (keyByte){    
												 var key   = new Array(56);
												 var keys = new Array();  
												 
												 keys[ 0] = new Array();
												 keys[ 1] = new Array();
												 keys[ 2] = new Array();
												 keys[ 3] = new Array();
												 keys[ 4] = new Array();
												 keys[ 5] = new Array();
												 keys[ 6] = new Array();
												 keys[ 7] = new Array();
												 keys[ 8] = new Array();
												 keys[ 9] = new Array();
												 keys[10] = new Array();
												 keys[11] = new Array();
												 keys[12] = new Array();
												 keys[13] = new Array();
												 keys[14] = new Array();
												 keys[15] = new Array();  
												 var loop = [1,1,2,2,2,2,2,2,1,2,2,2,2,2,2,1];
												
												 for(i=0;i<7;i++){
												   for(j=0,k=7;j<8;j++,k--){
												     key[i*8+j]=keyByte[8*k+i];
												   }
												 }    
												 
												 var i = 0;
												 for(i = 0;i < 16;i ++){
													   var tempLeft=0;
													   var tempRight=0;
													   for(j = 0; j < loop[i];j ++){          
													     tempLeft = key[0];
													     tempRight = key[28];
													     for(k = 0;k < 27 ;k ++){
													       key[k] = key[k+1];
													       key[28+k] = key[29+k];
													     }  
													     key[27]=tempLeft;
													     key[55]=tempRight;
													   }
													   var tempKey = new Array(48);
													   tempKey[ 0] = key[13];
													   tempKey[ 1] = key[16];
													   tempKey[ 2] = key[10];
													   tempKey[ 3] = key[23];
													   tempKey[ 4] = key[ 0];
													   tempKey[ 5] = key[ 4];
													   tempKey[ 6] = key[ 2];
													   tempKey[ 7] = key[27];
													   tempKey[ 8] = key[14];
													   tempKey[ 9] = key[ 5];
													   tempKey[10] = key[20];
													   tempKey[11] = key[ 9];
													   tempKey[12] = key[22];
													   tempKey[13] = key[18];
													   tempKey[14] = key[11];
													   tempKey[15] = key[ 3];
													   tempKey[16] = key[25];
													   tempKey[17] = key[ 7];
													   tempKey[18] = key[15];
													   tempKey[19] = key[ 6];
													   tempKey[20] = key[26];
													   tempKey[21] = key[19];
													   tempKey[22] = key[12];
													   tempKey[23] = key[ 1];
													   tempKey[24] = key[40];
													   tempKey[25] = key[51];
													   tempKey[26] = key[30];
													   tempKey[27] = key[36];
													   tempKey[28] = key[46];
													   tempKey[29] = key[54];
													   tempKey[30] = key[29];
													   tempKey[31] = key[39];
													   tempKey[32] = key[50];
													   tempKey[33] = key[44];
													   tempKey[34] = key[32];
													   tempKey[35] = key[47];
													   tempKey[36] = key[43];
													   tempKey[37] = key[48];
													   tempKey[38] = key[38];
													   tempKey[39] = key[55];
													   tempKey[40] = key[33];
													   tempKey[41] = key[52];
													   tempKey[42] = key[45];
													   tempKey[43] = key[41];
													   tempKey[44] = key[49];
													   tempKey[45] = key[35];
													   tempKey[46] = key[28];
													   tempKey[47] = key[31];
													   switch(i){
													     case 0: for(m=0;m < 48 ;m++){ keys[ 0][m] = tempKey[m]; } break;
													     case 1: for(m=0;m < 48 ;m++){ keys[ 1][m] = tempKey[m]; } break;
													     case 2: for(m=0;m < 48 ;m++){ keys[ 2][m] = tempKey[m]; } break;
													     case 3: for(m=0;m < 48 ;m++){ keys[ 3][m] = tempKey[m]; } break;
													     case 4: for(m=0;m < 48 ;m++){ keys[ 4][m] = tempKey[m]; } break;
													     case 5: for(m=0;m < 48 ;m++){ keys[ 5][m] = tempKey[m]; } break;
													     case 6: for(m=0;m < 48 ;m++){ keys[ 6][m] = tempKey[m]; } break;
													     case 7: for(m=0;m < 48 ;m++){ keys[ 7][m] = tempKey[m]; } break;
													     case 8: for(m=0;m < 48 ;m++){ keys[ 8][m] = tempKey[m]; } break;
													     case 9: for(m=0;m < 48 ;m++){ keys[ 9][m] = tempKey[m]; } break;
													     case 10: for(m=0;m < 48 ;m++){ keys[10][m] = tempKey[m]; } break;
													     case 11: for(m=0;m < 48 ;m++){ keys[11][m] = tempKey[m]; } break;
													     case 12: for(m=0;m < 48 ;m++){ keys[12][m] = tempKey[m]; } break;
													     case 13: for(m=0;m < 48 ;m++){ keys[13][m] = tempKey[m]; } break;
													     case 14: for(m=0;m < 48 ;m++){ keys[14][m] = tempKey[m]; } break;
													     case 15: for(m=0;m < 48 ;m++){ keys[15][m] = tempKey[m]; } break;
													   }
													 }
													 return keys;  
					}
    };

})();
}
